console.log(process .argv);
console.log(process.argv[3]);

console.log(process.env.LOGNAME);

console.log(process.pid);

console.log(process.cwd());
console.log(process.title);

console.log(process.memoryUsage());

console.log(process.uptime());

process.on('exit',(code)=>{
    console.log(`About to exit with code:${code}`);
})
process.exit(0);